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authorKeith Packard <keithp@keithp.com>2017-04-02 16:22:28 -0700
committerKeith Packard <keithp@keithp.com>2017-04-02 16:22:28 -0700
commit8284d3639cd24e2fa0faf1e35e7276ba35a24f8f (patch)
tree92ed142ea8a098591f62426a25248e91d1111603 /src
parent6fb817f218a69b28973b0d059d71809717b1e2d1 (diff)
cortexelf-v1: Add serialblather command.
This reads from stdin and dumps it to both serial ports until you type ~ Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src')
-rw-r--r--src/cortexelf-v1/ao_cortexelf.c12
-rw-r--r--src/cortexelf-v1/ao_pins.h2
2 files changed, 13 insertions, 1 deletions
diff --git a/src/cortexelf-v1/ao_cortexelf.c b/src/cortexelf-v1/ao_cortexelf.c
index 1dc0a4be..f9be59e8 100644
--- a/src/cortexelf-v1/ao_cortexelf.c
+++ b/src/cortexelf-v1/ao_cortexelf.c
@@ -187,11 +187,23 @@ static void lisp_cmd() {
ao_lisp_read_eval_print();
}
+static void
+ao_serial_blather(void)
+{
+ char c;
+
+ while ((c = getchar()) != '~') {
+ ao_serial1_putchar(c);
+ ao_serial2_putchar(c);
+ }
+}
+
__code struct ao_cmds ao_demo_cmds[] = {
{ ao_video_toggle, "V\0Toggle video" },
{ ao_ball_toggle, "B\0Toggle ball" },
{ ao_ps2_read_keys, "K\0Read keys from keyboard" },
{ ao_console_send, "C\0Send data to console, end with ~" },
+ { ao_serial_blather, "S\0Blather on serial ports briefly" },
{ lisp_cmd, "l\0Run lisp interpreter" },
{ 0, NULL }
};
diff --git a/src/cortexelf-v1/ao_pins.h b/src/cortexelf-v1/ao_pins.h
index bc8288cf..e9c9deb3 100644
--- a/src/cortexelf-v1/ao_pins.h
+++ b/src/cortexelf-v1/ao_pins.h
@@ -38,7 +38,7 @@
/* Run APB1 at HCLK/1 */
#define AO_APB1_PRESCALER 1
-#define AO_RCC_CFGR_PPRE1_DIV STM_RCC_CFGR_PPRE2_DIV_1
+#define AO_RCC_CFGR_PPRE1_DIV STM_RCC_CFGR_PPRE1_DIV_1
/* Run APB2 at HCLK/1 */
#define AO_APB2_PRESCALER 1